71099739001 has 2 divisors, whose sum is σ = 71099739002. Its totient is φ = 71099739000.

The previous prime is 71099738981. The next prime is 71099739037. The reversal of 71099739001 is 10093799017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42774512400 + 28325226601 = 206820^2 + 168301^2 .

It is an emirp because it is prime and its reverse (10093799017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71099739001 - 2²⁷ = 70965521273 is a prime.

It is not a weakly prime, because it can be changed into another prime (71099739071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35549869500 + 35549869501.

It is an arithmetic number, because the mean of its divisors is an integer number (35549869501).

Almost surely, 2^71099739001 is an apocalyptic number.

It is an amenable number.

71099739001 is a deficient number, since it is larger than the sum of its proper divisors (1).

71099739001 is an equidigital number, since it uses as much as digits as its factorization.

71099739001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163, while the sum is 46.

The spelling of 71099739001 in words is "seventy-one billion, ninety-nine million, seven hundred thirty-nine thousand, one".